SOLUTION: The school is constructing a new gym. They want a 12-foot-wide tile border around the outside edge of the square court, and the total side length is 7x. Write a polynomial for the

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The school is constructing a new gym. They want a 12-foot-wide tile border around the outside edge of the square court, and the total side length is 7x. Write a polynomial for the       Log On


   



Question 1014865: The school is constructing a new gym. They want a 12-foot-wide tile border around the outside edge of the square court, and the total side length is 7x. Write a polynomial for the area of the court, not including the tile border.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Subtract 2 border widths from the side length
+7x+-+2%2A12+=+7x+-+24+ = width of court
not including border
Let +A+ = area of court not including border
+A++=+%28+7x+-+24+%29%5E2+
+A+=+49x%5E2+-336x+%2B+576+